From 1b3dac90429a870f6ab84755dd78e525265b2bfe Mon Sep 17 00:00:00 2001
From: Karl Kurbjun <kkurbjun@gmail.com>
Date: Sun, 11 Nov 2007 19:13:09 +0000
Subject: Setup the gigabeat so that iram is faked in a different spot since
 the normal iram location does not seem to be working.  This lays the
 groundwork to get rolo running.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@15581 a1c6a512-1295-4272-9138-f99709370657
---
 firmware/app.lds                   | 32 +++++++++++++++-----------------
 firmware/boot.lds                  |  4 +++-
 firmware/rolo.c                    |  2 +-
 firmware/target/arm/s3c2440/crt0.S |  2 --
 4 files changed, 19 insertions(+), 21 deletions(-)

diff --git a/firmware/app.lds b/firmware/app.lds
index e3f6ef2e50..7eeb0fcaa0 100644
--- a/firmware/app.lds
+++ b/firmware/app.lds
@@ -32,16 +32,6 @@ INPUT(target/sh/crt0.o)
 #define STUBOFFSET 0
 #endif
 
-#if CONFIG_CPU==S3C2440
-#include "s3c2440.h"
-#define DRAMSIZE (MEMORYSIZE * 0x100000) - 0x100 - PLUGINSIZE - STUBOFFSET - CODECSIZE - LCD_BUFFER_SIZE - TTB_SIZE
-#elif CONFIG_CPU==DM320
-#include "dm320.h"
-#define DRAMSIZE (MEMORYSIZE * 0x100000) - PLUGINSIZE - STUBOFFSET - CODECSIZE - LCD_BUFFER_SIZE - TTB_SIZE
-#else
-#define DRAMSIZE (MEMORYSIZE * 0x100000) - PLUGINSIZE - STUBOFFSET - CODECSIZE
-#endif
-
 #if defined(IRIVER_H100_SERIES) || defined(IRIVER_H300)
 #define DRAMORIG 0x31000000 + STUBOFFSET
 #define IRAMORIG 0x10000000
@@ -62,9 +52,8 @@ INPUT(target/sh/crt0.o)
 #define IRAMSIZE 0x7000
 #elif CONFIG_CPU==S3C2440
 #define DRAMORIG 0x00000100 + STUBOFFSET
-#define IRAMORIG DRAMORIG
-#define IRAM DRAM
 #define IRAMSIZE 0x1000
+#define IRAMORIG (MEMORYSIZE * 0x100000) - IRAMSIZE - LCD_BUFFER_SIZE - TTB_SIZE
 #elif CONFIG_CPU==DM320
 #define DRAMORIG 0x00900000 + STUBOFFSET
 #define IRAMORIG 0x00000000
@@ -79,6 +68,16 @@ INPUT(target/sh/crt0.o)
 #define IRAMSIZE 0x1000
 #endif
 
+#if CONFIG_CPU==S3C2440
+#include "s3c2440.h"
+#define DRAMSIZE (MEMORYSIZE * 0x100000) - 0x100 - PLUGINSIZE - STUBOFFSET - CODECSIZE - LCD_BUFFER_SIZE - TTB_SIZE - IRAMSIZE
+#elif CONFIG_CPU==DM320
+#include "dm320.h"
+#define DRAMSIZE (MEMORYSIZE * 0x100000) - PLUGINSIZE - STUBOFFSET - CODECSIZE - LCD_BUFFER_SIZE - TTB_SIZE
+#else
+#define DRAMSIZE (MEMORYSIZE * 0x100000) - PLUGINSIZE - STUBOFFSET - CODECSIZE
+#endif
+
 /* End of the audio buffer, where the codec buffer starts */
 #define ENDAUDIOADDR  (DRAMORIG + DRAMSIZE)
 
@@ -88,9 +87,8 @@ INPUT(target/sh/crt0.o)
 MEMORY
 {
     DRAM : ORIGIN = DRAMORIG, LENGTH = DRAMSIZE
-#if CONFIG_CPU != S3C2440
     IRAM : ORIGIN = IRAMORIG, LENGTH = IRAMSIZE
-#endif
+
 #if CONFIG_CPU==PNX0101
     IRAM0 : ORIGIN = IRAM0ORIG, LENGTH = IRAM0SIZE
 #endif
@@ -234,14 +232,14 @@ SECTIONS
 
     _vectorscopy = LOADADDR(.vectors);
 
-    .iram :
+    .iram IRAMORIG :
     {
         _iramstart = .;
         *(.icode)
         *(.irodata)
         *(.idata)
         _iramend = .;
-    } > DRAM
+    } >IRAM AT> DRAM
 
     _iramcopy = LOADADDR(.iram);
 
@@ -253,7 +251,7 @@ SECTIONS
         _iend = .;
     } > DRAM
 
-    .stack :
+    .stack ADDR(.data) + SIZEOF(.data) + SIZEOF(.iram) + SIZEOF(.vectors) :
     {
        *(.stack)
        stackbegin = .;
diff --git a/firmware/boot.lds b/firmware/boot.lds
index d2ea10a30d..a9900517a2 100644
--- a/firmware/boot.lds
+++ b/firmware/boot.lds
@@ -9,8 +9,10 @@ OUTPUT_FORMAT(elf32-littlearm)
 OUTPUT_ARCH(arm)
 #ifdef CPU_PP
 INPUT(target/arm/crt0-pp-bl.o)
-#elif defined(OLYMPUS_MROBE_500)
+#elif CONFIG_CPU==DM320
 INPUT(target/arm/tms320dm320/crt0.o)
+#elif CONFIG_CPU==S3C2440
+INPUT(target/arm/s3c2440/crt0.o)
 #elif defined(CPU_TCC77X)
 INPUT(target/arm/tcc77x/crt0.o)
 #else
diff --git a/firmware/rolo.c b/firmware/rolo.c
index 2a4b753948..aac99cc555 100644
--- a/firmware/rolo.c
+++ b/firmware/rolo.c
@@ -161,7 +161,7 @@ void rolo_restart(const unsigned char* source, unsigned char* dest,
     /* Wait for the COP to tell us it is rebooting */
     while(cpu_reply != 2);
 #endif
-
+    
     asm volatile(
         "mov   r0, #0x10000000   \n"
         "mov   pc, r0            \n"
diff --git a/firmware/target/arm/s3c2440/crt0.S b/firmware/target/arm/s3c2440/crt0.S
index 2c94fc4510..4f220f6c7f 100644
--- a/firmware/target/arm/s3c2440/crt0.S
+++ b/firmware/target/arm/s3c2440/crt0.S
@@ -85,8 +85,6 @@ start:
     bhi    1b
     
 #ifdef BOOTLOADER
-/* Code for ARM bootloader targets other than iPod go here */
-
     /* Proper initialization pulled from 0x5070 */
 
     /* BWSCON
-- 
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